According to Dayang.com, on January 18th, Yu Xiangyang, a professor and doctoral supervisor of the School of Physics, State Key Laboratory of Optoelectronic Materials and Technology of Sun Yat-sen University, said in a lecture that blockchain is a type of "identity card" for data. The new technology aims to promote the construction of a social credit system. He will change the production relationship between people, institutions and institutions. Although blockchain technology is still in the ascendant. But to solve the problem of driving data credibility as soon as possible is very necessary for the establishment of the data era, especially in the context of increasingly relying on digital driving technology in today's society, the development of blockchain technology to ensure data credibility The importance is self-evident.